We, uh, we made it uninhabitable. At least twice.

[First Thunderwing, and then the Swarm. When Decepticons do science, Science Gets Done.]

Yes, Cybertron. This time, at least, we're trying to fix it.

[What, you mean this whole sort of rising sun thing he's got on the chassis?]
It...I'm sorry if it makes you homesick.

I guess it just makes me remember, well...one of the few places I've been where it was peaceful.

[There was Crystal City, of course, but there were too many emotional tangles there.]

....sort of. Eventually. When there's a cure. But they're working on it. [Stop asking hard questions!]